CN1737327B - 旋转式井口压力控制装置 - Google Patents
旋转式井口压力控制装置 Download PDFInfo
- Publication number
- CN1737327B CN1737327B CN2005100901278A CN200510090127A CN1737327B CN 1737327 B CN1737327 B CN 1737327B CN 2005100901278 A CN2005100901278 A CN 2005100901278A CN 200510090127 A CN200510090127 A CN 200510090127A CN 1737327 B CN1737327 B CN 1737327B
- Authority
- CN
- China
- Prior art keywords
- control device
- pressure control
- seal
- upper body
- rotating pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005553 drilling Methods 0.000 claims description 40
- 239000012530 fluid Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 10
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XFGMPZRFMGBTDI-POFDKVPJSA-N (2s)-n-[(2s)-1-[[(2s)-1-[(2s)-2-[[2-[[(2s)-1-amino-3-(1h-indol-3-yl)-1-oxopropan-2-yl]amino]-2-oxoethyl]carbamoyl]pyrrolidin-1-yl]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]-2-[[(2s)-4-methyl-2-[[(2s)-5-oxopyrrolidine-2-carbonyl]amino]pe Chemical compound N([C@@H](CC(C)C)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CO)C(=O)N1[C@@H](CCC1)C(=O)NCC(=O)N[C@@H](CC=1C2=CC=CC=C2NC=1)C(N)=O)C(=O)[C@@H]1CCC(=O)N1 XFGMPZRFMGBTDI-POFDKVPJSA-N 0.000 description 5
- 101800001365 Red pigment-concentrating hormone Proteins 0.000 description 5
- XFGMPZRFMGBTDI-UHFFFAOYSA-N p-Glu-Leu-Asn-Phe-Ser-Pro-Gly-Trp-NH2 Natural products C=1C=CC=CC=1CC(C(=O)NC(CO)C(=O)N1C(CCC1)C(=O)NCC(=O)NC(CC=1C2=CC=CC=C2NC=1)C(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(CC(C)C)NC(=O)C1CCC(=O)N1 XFGMPZRFMGBTDI-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 150000003673 urethanes Chemical class 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000009844 basic oxygen steelmaking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
- E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Earth Drilling (AREA)
- Drilling And Boring (AREA)
- Surgical Instruments (AREA)
- Joints Allowing Movement (AREA)
- Control Of Fluid Pressure (AREA)
- Measuring Fluid Pressure (AREA)
- Motor Or Generator Frames (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/922,029 | 2004-08-19 | ||
US10/922,029 US7380590B2 (en) | 2004-08-19 | 2004-08-19 | Rotating pressure control head |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1737327A CN1737327A (zh) | 2006-02-22 |
CN1737327B true CN1737327B (zh) | 2010-09-29 |
Family
ID=35295683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005100901278A Expired - Fee Related CN1737327B (zh) | 2004-08-19 | 2005-08-10 | 旋转式井口压力控制装置 |
Country Status (15)
Country | Link |
---|---|
US (1) | US7380590B2 (fr) |
EP (1) | EP1627986B1 (fr) |
CN (1) | CN1737327B (fr) |
AR (1) | AR051559A1 (fr) |
AT (1) | ATE358761T1 (fr) |
AU (1) | AU2005203611B2 (fr) |
CA (2) | CA2513974C (fr) |
DE (1) | DE602005000805D1 (fr) |
EG (1) | EG23991A (fr) |
MX (1) | MXPA05008741A (fr) |
MY (1) | MY139246A (fr) |
NO (1) | NO336015B1 (fr) |
NZ (1) | NZ541802A (fr) |
RU (1) | RU2374426C2 (fr) |
WO (1) | WO2006023218A2 (fr) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7779903B2 (en) * | 2002-10-31 | 2010-08-24 | Weatherford/Lamb, Inc. | Solid rubber packer for a rotating control device |
US7836946B2 (en) | 2002-10-31 | 2010-11-23 | Weatherford/Lamb, Inc. | Rotating control head radial seal protection and leak detection systems |
US7690435B2 (en) * | 2004-07-07 | 2010-04-06 | Specialty Rental Tools & Supply, L.P. | Wellhead hold-down apparatus and method |
GB2433766B (en) * | 2004-10-12 | 2010-04-07 | Cooper Cameron Corp | Locking device |
US7926593B2 (en) | 2004-11-23 | 2011-04-19 | Weatherford/Lamb, Inc. | Rotating control device docking station |
US8826988B2 (en) | 2004-11-23 | 2014-09-09 | Weatherford/Lamb, Inc. | Latch position indicator system and method |
US7743823B2 (en) * | 2007-06-04 | 2010-06-29 | Sunstone Technologies, Llc | Force balanced rotating pressure control device |
US7997345B2 (en) | 2007-10-19 | 2011-08-16 | Weatherford/Lamb, Inc. | Universal marine diverter converter |
US8286734B2 (en) | 2007-10-23 | 2012-10-16 | Weatherford/Lamb, Inc. | Low profile rotating control device |
US8844652B2 (en) | 2007-10-23 | 2014-09-30 | Weatherford/Lamb, Inc. | Interlocking low profile rotating control device |
EP2053196A1 (fr) * | 2007-10-24 | 2009-04-29 | Shell Internationale Researchmaatschappij B.V. | Système et procédé de contrôle de la pression dans un puits |
US8322432B2 (en) | 2009-01-15 | 2012-12-04 | Weatherford/Lamb, Inc. | Subsea internal riser rotating control device system and method |
US9359853B2 (en) | 2009-01-15 | 2016-06-07 | Weatherford Technology Holdings, Llc | Acoustically controlled subsea latching and sealing system and method for an oilfield device |
CN101555776B (zh) * | 2009-05-18 | 2013-04-03 | 中国石油辽河油田钻采工艺研究院 | 管外封隔器井口防喷装置 |
US8347983B2 (en) | 2009-07-31 | 2013-01-08 | Weatherford/Lamb, Inc. | Drilling with a high pressure rotating control device |
US8225857B2 (en) * | 2009-11-25 | 2012-07-24 | Hydril Usa Manufacturing Llc | Breech lock mechanisms for blowout preventer and method |
WO2013055351A1 (fr) * | 2011-10-14 | 2013-04-18 | Halliburton Energy Services, Inc. | Alignement de bloc d'obturation de puits pour faciliter l'utilisation d'un dispositif de commande rotatif |
EP2806099A1 (fr) * | 2010-01-08 | 2014-11-26 | Halliburton Energy Services, Inc. | Alignement de BOP pour faciliter l'utilisation d'un dispositif de commande de rotation |
US8479829B2 (en) | 2010-01-08 | 2013-07-09 | Halliburton Energy Services, Inc. | Alignment of BOP stack to facilitate use of a rotating control device |
AU2010346598B2 (en) * | 2010-02-25 | 2014-01-30 | Halliburton Energy Services, Inc. | Pressure control device with remote orientation relative to a rig |
US8347982B2 (en) | 2010-04-16 | 2013-01-08 | Weatherford/Lamb, Inc. | System and method for managing heave pressure from a floating rig |
US8403059B2 (en) | 2010-05-12 | 2013-03-26 | Sunstone Technologies, Llc | External jet pump for dual gradient drilling |
US9175542B2 (en) | 2010-06-28 | 2015-11-03 | Weatherford/Lamb, Inc. | Lubricating seal for use with a tubular |
CN102444390A (zh) * | 2010-10-11 | 2012-05-09 | 李相方 | 井喷失控抢险装置 |
GB2549210B (en) | 2011-03-23 | 2018-07-25 | Managed Pressure Operations | Blow out preventer |
US9488025B2 (en) | 2011-04-06 | 2016-11-08 | Halliburton Energy Services, Inc. | Rotating control device with positive drive gripping device |
BR112013025211A2 (pt) * | 2011-04-06 | 2016-12-27 | Halliburton Energy Services Inc | dispositivo de controle rotativo, e, método de perfuração |
DK2540956T3 (en) * | 2011-06-30 | 2014-03-24 | Welltec As | Blowout preventer and well intervention tool |
CN102392614A (zh) * | 2011-09-22 | 2012-03-28 | 中国石油集团川庆钻探工程有限公司 | 井口压力抽吸装置 |
WO2014006149A2 (fr) * | 2012-07-06 | 2014-01-09 | Statoil Petroleum As | Appareil d'étanchéité annulaire dynamique |
GB2503741B (en) * | 2012-07-06 | 2019-01-23 | Statoil Petroleum As | Dynamic annular sealing apparatus |
US10113378B2 (en) | 2012-12-28 | 2018-10-30 | Halliburton Energy Services, Inc. | System and method for managing pressure when drilling |
US9109420B2 (en) | 2013-01-30 | 2015-08-18 | Rowan Deepwater Drilling (Gibraltar) Ltd. | Riser fluid handling system |
CN103306630B (zh) * | 2013-05-29 | 2016-07-06 | 中国石油化工股份有限公司 | 油井快速抢喷装置 |
GB2520533B (en) | 2013-11-22 | 2020-05-06 | Managed Pressure Operations | Pressure containment device |
US9957774B2 (en) | 2013-12-16 | 2018-05-01 | Halliburton Energy Services, Inc. | Pressure staging for wellhead stack assembly |
GB2524789B (en) | 2014-04-02 | 2019-01-02 | Schlumberger Holdings | Methods of monitoring the condition of a sealing element of a rotating control device |
GB2524790B (en) * | 2014-04-02 | 2018-02-07 | Schlumberger Holdings | Aligning borehole drilling equipment |
GB2542036B (en) * | 2014-04-30 | 2020-10-07 | Weatherford Tech Holdings Llc | Sealing element mounting |
US9540898B2 (en) | 2014-06-26 | 2017-01-10 | Sunstone Technologies, Llc | Annular drilling device |
US20160053542A1 (en) * | 2014-08-21 | 2016-02-25 | Laris Oil & Gas, LLC | Apparatus and Method for Underbalanced Drilling and Completion of a Hydrocarbon Reservoir |
US10066664B2 (en) | 2015-08-18 | 2018-09-04 | Black Gold Rental Tools, Inc. | Rotating pressure control head system and method of use |
WO2018071882A1 (fr) * | 2016-10-14 | 2018-04-19 | Transocean Sedco Forex Ventures Limited | Ensembles raccords pour raccorder des éléments tubulaires et procédés associés |
CN110821436B (zh) * | 2019-11-19 | 2021-11-02 | 瑞安市浙工大创新创业研究院 | 一种石油开采用防喷装置 |
US11060367B2 (en) * | 2019-12-05 | 2021-07-13 | Schlumberger Technology Corporation | Rotating choke assembly |
US11434714B2 (en) * | 2021-01-04 | 2022-09-06 | Saudi Arabian Oil Company | Adjustable seal for sealing a fluid flow at a wellhead |
CN115306342B (zh) * | 2022-10-11 | 2023-02-03 | 克拉玛依红山油田有限责任公司 | 注胶导向密封防喷装置 |
US20240125202A1 (en) * | 2022-10-12 | 2024-04-18 | Baker Hughes Oilfield Operations Llc | Valve, method, and system |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2207199A (en) * | 1937-04-26 | 1940-07-09 | Frederic W Hild | Blowout preventer |
US4460151A (en) * | 1981-12-29 | 1984-07-17 | Cameron Iron Works, Inc. | Annular blowout preventer |
US4540053A (en) * | 1982-02-19 | 1985-09-10 | Smith International, Inc. | Breech block hanger support well completion method |
CN2135058Y (zh) * | 1992-09-23 | 1993-06-02 | 赵雨泉 | 封井器防磨装置 |
CN2199306Y (zh) * | 1994-07-20 | 1995-05-31 | 河南油田诚达实业公司 | 旋压油管挂热采井口装置 |
US6129152A (en) * | 1998-04-29 | 2000-10-10 | Alpine Oil Services Inc. | Rotating bop and method |
GB2362401A (en) * | 2000-05-19 | 2001-11-21 | Fmc Corp | Tubing hanger landing string with blowout preventer operated release mechanism |
CN2545352Y (zh) * | 2002-04-19 | 2003-04-16 | 胜利石油管理局钻井工程技术公司 | 钻井用旋转导向器 |
GB2394741A (en) * | 2002-10-31 | 2004-05-05 | Weatherford Lamb | Rotating blow-out preventer with active and passive seal and cooling system |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1831956A (en) * | 1930-10-27 | 1931-11-17 | Reed Roller Bit Co | Blow out preventer |
US3410508A (en) * | 1966-10-21 | 1968-11-12 | Goodrich Co B F | Inflatable seal |
US4185856A (en) * | 1973-04-13 | 1980-01-29 | Mcevoy Oilfield Equipment Company | Pipe joint with remotely operable latch |
US4095656A (en) | 1976-03-03 | 1978-06-20 | Occidental Oil Shale, Inc. | Raise bore drilling |
US4073352A (en) | 1976-03-03 | 1978-02-14 | Occidental Oil Shale, Inc. | Raise bore drilling machine |
US4448255A (en) | 1982-08-17 | 1984-05-15 | Shaffer Donald U | Rotary blowout preventer |
US4754820A (en) * | 1986-06-18 | 1988-07-05 | Drilex Systems, Inc. | Drilling head with bayonet coupling |
US4949785A (en) | 1989-05-02 | 1990-08-21 | Beard Joseph O | Force-limiting/wear compensating annular sealing element for blowout preventers |
US5062479A (en) | 1990-07-31 | 1991-11-05 | Masx Energy Services Group, Inc. | Stripper rubbers for drilling heads |
US5178215A (en) | 1991-07-22 | 1993-01-12 | Folsom Metal Products, Inc. | Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms |
US5273108A (en) | 1992-10-21 | 1993-12-28 | Piper Oilfield Products, Inc. | Closure apparatus for blow out prevention |
US5778982A (en) * | 1993-10-27 | 1998-07-14 | Baski Water Instruments, Inc. | Fixed head inflatable packer with fully reinforced inflatable element and method of fabrication |
US5507465A (en) | 1995-04-07 | 1996-04-16 | Borle; Del | Blow-out preventer |
AU3977797A (en) | 1996-08-23 | 1998-03-06 | Miles F. Caraway | Rotating blowout preventor |
US5848643A (en) | 1996-12-19 | 1998-12-15 | Hydril Company | Rotating blowout preventer |
CA2216456C (fr) | 1997-09-25 | 2000-12-12 | Daniel Lee | Bloc obturateur de puits |
US6016880A (en) | 1997-10-02 | 2000-01-25 | Abb Vetco Gray Inc. | Rotating drilling head with spaced apart seals |
US6227547B1 (en) | 1998-06-05 | 2001-05-08 | Kalsi Engineering, Inc. | High pressure rotary shaft sealing mechanism |
DE60031959T2 (de) | 1999-03-02 | 2007-09-20 | Weatherford/Lamb, Inc., Houston | Im riser angebrachter rotierender kontrollkopf |
US6244336B1 (en) | 2000-03-07 | 2001-06-12 | Cooper Cameron Corporation | Double shearing rams for ram type blowout preventer |
US6626245B1 (en) | 2000-03-29 | 2003-09-30 | L Murray Dallas | Blowout preventer protector and method of using same |
US6520253B2 (en) | 2000-05-10 | 2003-02-18 | Abb Vetco Gray Inc. | Rotating drilling head system with static seals |
US6772843B2 (en) | 2000-12-05 | 2004-08-10 | Baker Hughes Incorporated | Sea-floor pressure head assembly |
US6554016B2 (en) | 2000-12-12 | 2003-04-29 | Northland Energy Corporation | Rotating blowout preventer with independent cooling circuits and thrust bearing |
US6764110B2 (en) * | 2001-05-04 | 2004-07-20 | Russell Larry R | Remotely pretensioned threaded tubular connections |
-
2004
- 2004-08-19 US US10/922,029 patent/US7380590B2/en active Active
-
2005
- 2005-07-27 CA CA2513974A patent/CA2513974C/fr not_active Expired - Fee Related
- 2005-07-27 CA CA2782859A patent/CA2782859C/fr not_active Expired - Fee Related
- 2005-07-27 WO PCT/US2005/026539 patent/WO2006023218A2/fr active Application Filing
- 2005-08-10 CN CN2005100901278A patent/CN1737327B/zh not_active Expired - Fee Related
- 2005-08-12 AU AU2005203611A patent/AU2005203611B2/en not_active Ceased
- 2005-08-15 NZ NZ541802A patent/NZ541802A/en not_active IP Right Cessation
- 2005-08-16 AR ARP050103451A patent/AR051559A1/es not_active Application Discontinuation
- 2005-08-17 MX MXPA05008741A patent/MXPA05008741A/es active IP Right Grant
- 2005-08-17 EG EG2005080375A patent/EG23991A/xx active
- 2005-08-17 MY MYPI20053855A patent/MY139246A/en unknown
- 2005-08-18 AT AT05255125T patent/ATE358761T1/de not_active IP Right Cessation
- 2005-08-18 NO NO20053878A patent/NO336015B1/no not_active IP Right Cessation
- 2005-08-18 DE DE602005000805T patent/DE602005000805D1/de active Active
- 2005-08-18 EP EP05255125A patent/EP1627986B1/fr not_active Not-in-force
- 2005-08-18 RU RU2005126302/03A patent/RU2374426C2/ru not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2207199A (en) * | 1937-04-26 | 1940-07-09 | Frederic W Hild | Blowout preventer |
US4460151A (en) * | 1981-12-29 | 1984-07-17 | Cameron Iron Works, Inc. | Annular blowout preventer |
US4540053A (en) * | 1982-02-19 | 1985-09-10 | Smith International, Inc. | Breech block hanger support well completion method |
CN2135058Y (zh) * | 1992-09-23 | 1993-06-02 | 赵雨泉 | 封井器防磨装置 |
CN2199306Y (zh) * | 1994-07-20 | 1995-05-31 | 河南油田诚达实业公司 | 旋压油管挂热采井口装置 |
US6129152A (en) * | 1998-04-29 | 2000-10-10 | Alpine Oil Services Inc. | Rotating bop and method |
GB2362401A (en) * | 2000-05-19 | 2001-11-21 | Fmc Corp | Tubing hanger landing string with blowout preventer operated release mechanism |
CN2545352Y (zh) * | 2002-04-19 | 2003-04-16 | 胜利石油管理局钻井工程技术公司 | 钻井用旋转导向器 |
GB2394741A (en) * | 2002-10-31 | 2004-05-05 | Weatherford Lamb | Rotating blow-out preventer with active and passive seal and cooling system |
Also Published As
Publication number | Publication date |
---|---|
MXPA05008741A (es) | 2006-04-24 |
US7380590B2 (en) | 2008-06-03 |
CN1737327A (zh) | 2006-02-22 |
CA2782859A1 (fr) | 2006-02-19 |
RU2005126302A (ru) | 2007-02-27 |
EP1627986A1 (fr) | 2006-02-22 |
DE602005000805D1 (de) | 2007-05-16 |
NO336015B1 (no) | 2015-04-20 |
ATE358761T1 (de) | 2007-04-15 |
AU2005203611A1 (en) | 2006-03-09 |
MY139246A (en) | 2009-09-30 |
WO2006023218A2 (fr) | 2006-03-02 |
EG23991A (en) | 2008-03-06 |
NZ541802A (en) | 2007-03-30 |
AU2005203611B2 (en) | 2010-03-25 |
WO2006023218A3 (fr) | 2006-08-24 |
NO20053878D0 (no) | 2005-08-18 |
CA2513974A1 (fr) | 2006-02-19 |
CA2513974C (fr) | 2013-01-22 |
AR051559A1 (es) | 2007-01-24 |
NO20053878L (no) | 2006-02-20 |
US20060037744A1 (en) | 2006-02-23 |
CA2782859C (fr) | 2013-01-22 |
EP1627986B1 (fr) | 2007-04-04 |
RU2374426C2 (ru) | 2009-11-27 |
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